Thanks! I’m not quite where to put the this.props.callbacks = {onWordClick: (word) => setProps({"value": word})} bit. I added it to the componentWillMount bit and the render bit in WordCloud.react.js, and added value: PropTypes.string to WordCloud.propTypes. But i’m still getting an error that says “Invalid prop for this component”. I assume the value prop isn’t getting passed to react-wordcloud?